Rieju Marathon 125 Pro vs UM DSR 125 EX (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Rieju Marathon 125 Prostacks up against the UM DSR 125 EX. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Rieju Marathon 125 Pro | UM DSR 125 EX |
|---|---|---|
| Model year | 2023 | 2023 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 15 hp | 15 hp |
| Weight | 121 kg | 124 kg |
| Seat height | 35 mm | 36 mm |
| Fuel capacity | 1.7 L | 1.7 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. Galfer wave disc with double piston caliper | Single disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper. |
| Rear brakes | Single disc. Galfer Wave | Single disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper. |
| Tires | 90/90-21 / 120/90-18 | 90/90-21 / 120/80-18 |
Rieju Marathon 125 Pro vs UM DSR 125 EX — which should you buy?
Picking between the Rieju Marathon 125 Pro and the UM DSR 125 EX usually comes down to the numbers you care about most. On paper, the Rieju Marathon 125 Pro brings 15 hp in a 121 kg package, while the UM DSR 125 EX counters with 15 hp at 124 kg.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: